4-Chloro-5-(trifluoromethoxy)quinazoline CAS 1260828-12-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1260828-12-3 |
| Molecular Formula | C9H4ClF3N2O |
| Molecular Weight | 248.59 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Chloro-5-(trifluoromethoxy)quinazoline (CAS 1260828-12-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H4ClF3N2O. Molecular weight: 248.59 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C9H4ClF3N2O |
| Molecular Weight | 248.59 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloro Standards
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- 3-Chloro-2-(1H-1,2,4-triazol-1-yl)-5-(trifluoromethyl)pyridine (CAS 121644-63-1)
- 5-Chloro-2-(trifluoromethyl)quinazolin-4-ol (CAS 1272356-70-3)
- 2-Chloro-9-(trifluoromethyl)-4H-pyrido[1,2-a]pyrimidin-4-one (CAS 1365987-40-1)
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- 3-Chloro-N-cyano-5-(trifluoromethyl)-pyridine-2-carboxamidine (CAS 1432056-51-3)
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Recommended Standards
- 5-(chloromethyl)-3-(3,4,5-trifluorophenyl)-1,2,4-oxadiazole (CAS 1251321-78-4)
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- 2,3,4,5-Tetrafluorobenzene-1-sulfonyl chloride (CAS 591249-21-7)
- 1-(4-(2-Bromoethyl)piperazin-1-yl)ethanone hydrobromide (CAS 1048664-14-7)
- 2-Methylbenzofuran-5,6-diol (CAS 61407-17-8)
- Bifonazole Impurity 14 (CAS CATO-C4X-156014)
- 6-Chloro-N'-hydroxypicolinimidamide (CAS 1042151-12-1)
- 5-Bromo-6-fluoro-2-methyl-1,2,3,4-tetrahydroquinoline (CAS 79085-71-5)
- 3-Hydroxy-2,3-dimethylbutan-2-yl hydrogen (5-cyanopyridin-3-yl)boronate (CAS 402718-19-0)
- PACAP-Related Peptide (PRP), rat (CAS 132769-35-8)
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